Home / 768,015.42-1,153,021.08-590,648.10

Finding the Fourth Proportional to 768,015.42, 1,153,021.08 and 590,648.10

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Solution

The fourth proportional to 768,015.42, 1,153,021.08 and 590,648.10 is: 886,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,015.42 : 1,153,021.08 = 590,648.10 : x
  2. Step 2: Convert to fraction form
    768,015.42/1,153,021.08 = 590,648.10/x
  3. Step 3: Cross multiply
    768,015.42x = 1,153,021.08 × 590,648.10
  4. Step 4: Simplify right side
    768,015.42x = 681,029,710,161.95
  5. Step 5: Solve for x
    x = 681,029,710,161.95/768,015.42
  6. Step 6: Final answer
    x = 886,739.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.